docs: def createSessionFile(self, file, verbose=None):
          """
          Saves the current session to a file. If successful, the session file location will be returned.
  
          :param file: Session file location as an absolute path
          :param verbose: print more
  
          :returns: 200: successful operation
          """
  
          PARAMS=set_param(['file'],[file])
          response=api(url=self.___url+'session', PARAMS=PARAMS, method="POST", verbose=verbose)
          return response